From: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
To: rpm@xenomai.org, xenomai@xenomai.org
Subject: Re: [Xenomai-help] Adeos/Xenomai Arm Port
Date: Tue, 17 Oct 2006 14:05:04 +0200 [thread overview]
Message-ID: <4534C6F0.2010500@domain.hid> (raw)
In-Reply-To: <1161079474.5154.8.camel@domain.hid>
Philippe Gerum wrote:
>>All benchmark drivers (timerbench, switchtest and irqbench) use the
>>/dev/rttest%d devices, the device index is passed to latency
>>and irqbench using the -D option whereas switchtest uses the ioctl error
>>to find the correct device. So this error might simply be the sign that
>>Manfred did not pass the -D option to latency.
>
>
> AFAICS, the failed operation did not happen on an attempt to open the
> device, but later when submitting an ioctl() request to it, in order to
> start the sampling. So this can't be a simple device index issue. IOW,
> the rttestX device is available and ready to use; the problem lies
> beyond that point.
When using the wrong /dev/rttest device, open would not fail but ioctl
would fail. But I agree, Manfred is facing a different issue.
--
Gilles Chanteperdrix
next prev parent reply other threads:[~2006-10-17 12:05 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-10-16 15:48 [Xenomai-help] Adeos/Xenomai Arm Port Schlägl Manfred jun.
2006-10-16 16:24 ` Jan Kiszka
2006-10-16 18:20 ` Gilles Chanteperdrix
2006-10-16 21:30 ` Philippe Gerum
2006-10-17 8:15 ` Gilles Chanteperdrix
2006-10-17 8:38 ` Gilles Chanteperdrix
2006-10-17 9:54 ` Philippe Gerum
2006-10-17 10:04 ` Philippe Gerum
2006-10-17 12:05 ` Gilles Chanteperdrix [this message]
-- strict thread matches above, loose matches on Subject: below --
2006-10-17 9:23 Schlägl Manfred jun.
2006-10-17 9:37 ` Jan Kiszka
2006-10-17 15:39 Schlägl Manfred jun.
2006-10-18 7:52 ` Schlägl Manfred jun.
2006-10-18 10:35 ` Jan Kiszka
2006-10-18 12:24 ` Schlägl Manfred jun.
2006-10-18 12:33 ` Jan Kiszka
2006-10-18 12:48 ` Gilles Chanteperdrix
2006-10-21 14:56 ` Schlägl Manfred jun.
2006-10-21 16:44 ` Jan Kiszka
2006-10-25 8:03 ` Schlägl Manfred jun.
2006-10-18 10:25 ` Philippe Gerum
2006-10-18 12:05 ` Gilles Chanteperdrix
2006-10-18 15:16 Schlägl Manfred jun.
2006-10-18 15:27 ` Jan Kiszka
2006-10-18 15:56 ` Schlägl Manfred jun.
2006-10-19 5:52 ` Jan Kiszka
2006-10-21 12:11 ` Schlägl Manfred jun.
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